Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 22bf51ea8101cabd…

MALICIOUS

Office (OLE)

39.5 KB Created: 2018-01-06 09:58:00 Authoring application: Microsoft Office Word First seen: 2018-01-23
MD5: 06d2f2b023e3aa28d3c213a0256d794a SHA-1: c19804cbd00e6c8eff75a56d590e5aaba8d4c2d3 SHA-256: 22bf51ea8101cabd9dc7bc41dd343d2e602e068b4e090dd8d67118bdaf56923e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Img.Dropper.PhishingLure-6443153-0, indicating a phishing lure. Static analysis detected VBA macros, which are commonly used to download and execute further malicious content. The presence of these macros suggests an attack pattern involving spearphishing attachments designed to deliver a secondary payload.

Heuristics 3

  • ClamAV: Img.Dropper.PhishingLure-6443153-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Img.Dropper.PhishingLure-6443153-0
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main In document text (OLE body)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas vba-macro oletools.olevba.extract_macros (decoded VBA source) 364 bytes
SHA-256: 6c5769b1d510d691b1194dffed4bcfe2c3df2cdf4e7c3bea441613c91fb45332
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "ThisDocument"
Attribute VB_Base = "1Normal.ThisDocument"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = True
Attribute VB_Customizable = True

Attribute VB_Name = "NewMacros"
Sub SUBNT()
'
' SUBNT ?
'
'

End Sub

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